<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>示例1</title>
</head>
<body>
    <script>
        const name = 'jack';
        const age = 19;
        const gender = "男"
        console.log("我是:" + name + " 年龄:" +age +" 性别:"+gender)
        console.log(`我是:${name} 年龄:${age} 性别:${gender}`)
    </script>
</body>
</html>